Typically, you can complete a course only once. However, your site may allow for a course to be completed multiple times, which gives you more chances to earn a higher score or satisfy specific qualifications for the course. Your Learner Transcript reflects the highest all scores for the course completion, so you will see multiple records for a course you have completed multiple times.
When you launch an asset that has been marked as recurring, you receive the following prompt:
See Recurring Assets for more information.